The evolution of active galactic nuclei in clusters of galaxies from the Dark Energy Survey
The correlation between active galactic nuclei (AGNs) and environment provides important clues to AGN fuelling and the relationship of black hole growth to galaxy evolution. In this paper, we analyse the fraction of galaxies in clusters hosting AGN as a function of redshift and cluster richness for...
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OXFORD UNIV PRESS
2017
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ndltd-arizona.edu-oai-arizona.openrepository.com-10150-6232062017-04-23T03:00:35Z The evolution of active galactic nuclei in clusters of galaxies from the Dark Energy Survey Bufanda, E. Hollowood, D. Jeltema, T. E. Rykoff, E. S. Rozo, E. Martini, P. Abbott, T. M. C. Abdalla, F. B. Allam, S. Banerji, M. Benoit-Lévy, A. Bertin, E. Brooks, D. Carnero Rosell, A. Carrasco Kind, M. Carretero, J. Cunha, C. E. da Costa, L. N. Desai, S. Diehl, H. T. Dietrich, J. P. Evrard, A. E. Fausti Neto, A. Flaugher, B. Frieman, J. Gerdes, D. W. Goldstein, D. A. Gruen, D. Gruendl, R. A. Gutierrez, G. Honscheid, K. James, D. J. Kuehn, K. Kuropatkin, N. Lima, M. Maia, M. A. G. Marshall, J. L. Melchior, P. Miquel, R. Mohr, J. J. Ogando, R. Plazas, A. A. Romer, A. K. Rooney, P. Sanchez, E. Santiago, B. Scarpine, V. Sevilla-Noarbe, I. Smith, R. C. Soares-Santos, M. Sobreira, F. Suchyta, E. Tarle, G. Thomas, D. Tucker, D. L. Walker, A. R. Univ Arizona, Dept Phys galaxies: active X-rays: galaxies X-rays: galaxies: clusters. The correlation between active galactic nuclei (AGNs) and environment provides important clues to AGN fuelling and the relationship of black hole growth to galaxy evolution. In this paper, we analyse the fraction of galaxies in clusters hosting AGN as a function of redshift and cluster richness for X-ray-detected AGN associated with clusters of galaxies in Dark Energy Survey (DES) Science Verification data. The present sample includes 33 AGNs with LX > 1043 erg s(-1) in non-central, host galaxies with luminosity greater than 0.5L(*) from a total sample of 432 clusters in the redshift range of 0.1< z <0.95. Analysis of the present sample reveals that the AGN fraction in red-sequence cluster members has a strong positive correlation with redshift such that the AGN fraction increases by a factor of similar to 8 from low to high redshift, and the fraction of cluster galaxies hosting AGN at high redshifts is greater than the low-redshift fraction at 3.6 sigma. In particular, the AGN fraction increases steeply at the highest redshifts in our sample at z > 0.7. This result is in good agreement with previous work and parallels the increase in star formation in cluster galaxies over the same redshift range. However, the AGN fraction in clusters is observed to have no significant correlation with cluster mass. Future analyses with DES Year 1 through Year 3 data will be able to clarify whether AGN activity is correlated to cluster mass and will tightly constrain the relationship between cluster AGN populations and redshift. 2017-03-01 Article The evolution of active galactic nuclei in clusters of galaxies from the Dark Energy Survey 2017, 465 (3):2531 Monthly Notices of the Royal Astronomical Society 0035-8711 1365-2966 10.1093/mnras/stw2824 http://hdl.handle.net/10150/623206 http://arizona.openrepository.com/arizona/handle/10150/623206 Monthly Notices of the Royal Astronomical Society en https://academic.oup.com/mnras/article-lookup/doi/10.1093/mnras/stw2824 © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society OXFORD UNIV PRESS |
collection |
NDLTD |
language |
en |
sources |
NDLTD |
topic |
galaxies: active X-rays: galaxies X-rays: galaxies: clusters. |
spellingShingle |
galaxies: active X-rays: galaxies X-rays: galaxies: clusters. Bufanda, E. Hollowood, D. Jeltema, T. E. Rykoff, E. S. Rozo, E. Martini, P. Abbott, T. M. C. Abdalla, F. B. Allam, S. Banerji, M. Benoit-Lévy, A. Bertin, E. Brooks, D. Carnero Rosell, A. Carrasco Kind, M. Carretero, J. Cunha, C. E. da Costa, L. N. Desai, S. Diehl, H. T. Dietrich, J. P. Evrard, A. E. Fausti Neto, A. Flaugher, B. Frieman, J. Gerdes, D. W. Goldstein, D. A. Gruen, D. Gruendl, R. A. Gutierrez, G. Honscheid, K. James, D. J. Kuehn, K. Kuropatkin, N. Lima, M. Maia, M. A. G. Marshall, J. L. Melchior, P. Miquel, R. Mohr, J. J. Ogando, R. Plazas, A. A. Romer, A. K. Rooney, P. Sanchez, E. Santiago, B. Scarpine, V. Sevilla-Noarbe, I. Smith, R. C. Soares-Santos, M. Sobreira, F. Suchyta, E. Tarle, G. Thomas, D. Tucker, D. L. Walker, A. R. The evolution of active galactic nuclei in clusters of galaxies from the Dark Energy Survey |
description |
The correlation between active galactic nuclei (AGNs) and environment provides important clues to AGN fuelling and the relationship of black hole growth to galaxy evolution. In this paper, we analyse the fraction of galaxies in clusters hosting AGN as a function of redshift and cluster richness for X-ray-detected AGN associated with clusters of galaxies in Dark Energy Survey (DES) Science Verification data. The present sample includes 33 AGNs with LX > 1043 erg s(-1) in non-central, host galaxies with luminosity greater than 0.5L(*) from a total sample of 432 clusters in the redshift range of 0.1< z <0.95. Analysis of the present sample reveals that the AGN fraction in red-sequence cluster members has a strong positive correlation with redshift such that the AGN fraction increases by a factor of similar to 8 from low to high redshift, and the fraction of cluster galaxies hosting AGN at high redshifts is greater than the low-redshift fraction at 3.6 sigma. In particular, the AGN fraction increases steeply at the highest redshifts in our sample at z > 0.7. This result is in good agreement with previous work and parallels the increase in star formation in cluster galaxies over the same redshift range. However, the AGN fraction in clusters is observed to have no significant correlation with cluster mass. Future analyses with DES Year 1 through Year 3 data will be able to clarify whether AGN activity is correlated to cluster mass and will tightly constrain the relationship between cluster AGN populations and redshift. |
author2 |
Univ Arizona, Dept Phys |
author_facet |
Univ Arizona, Dept Phys Bufanda, E. Hollowood, D. Jeltema, T. E. Rykoff, E. S. Rozo, E. Martini, P. Abbott, T. M. C. Abdalla, F. B. Allam, S. Banerji, M. Benoit-Lévy, A. Bertin, E. Brooks, D. Carnero Rosell, A. Carrasco Kind, M. Carretero, J. Cunha, C. E. da Costa, L. N. Desai, S. Diehl, H. T. Dietrich, J. P. Evrard, A. E. Fausti Neto, A. Flaugher, B. Frieman, J. Gerdes, D. W. Goldstein, D. A. Gruen, D. Gruendl, R. A. Gutierrez, G. Honscheid, K. James, D. J. Kuehn, K. Kuropatkin, N. Lima, M. Maia, M. A. G. Marshall, J. L. Melchior, P. Miquel, R. Mohr, J. J. Ogando, R. Plazas, A. A. Romer, A. K. Rooney, P. Sanchez, E. Santiago, B. Scarpine, V. Sevilla-Noarbe, I. Smith, R. C. Soares-Santos, M. Sobreira, F. Suchyta, E. Tarle, G. Thomas, D. Tucker, D. L. Walker, A. R. |
author |
Bufanda, E. Hollowood, D. Jeltema, T. E. Rykoff, E. S. Rozo, E. Martini, P. Abbott, T. M. C. Abdalla, F. B. Allam, S. Banerji, M. Benoit-Lévy, A. Bertin, E. Brooks, D. Carnero Rosell, A. Carrasco Kind, M. Carretero, J. Cunha, C. E. da Costa, L. N. Desai, S. Diehl, H. T. Dietrich, J. P. Evrard, A. E. Fausti Neto, A. Flaugher, B. Frieman, J. Gerdes, D. W. Goldstein, D. A. Gruen, D. Gruendl, R. A. Gutierrez, G. Honscheid, K. James, D. J. Kuehn, K. Kuropatkin, N. Lima, M. Maia, M. A. G. Marshall, J. L. Melchior, P. Miquel, R. Mohr, J. J. Ogando, R. Plazas, A. A. Romer, A. K. Rooney, P. Sanchez, E. Santiago, B. Scarpine, V. Sevilla-Noarbe, I. Smith, R. C. Soares-Santos, M. Sobreira, F. Suchyta, E. Tarle, G. Thomas, D. Tucker, D. L. Walker, A. R. |
author_sort |
Bufanda, E. |
title |
The evolution of active galactic nuclei in clusters of galaxies from the Dark Energy Survey |
title_short |
The evolution of active galactic nuclei in clusters of galaxies from the Dark Energy Survey |
title_full |
The evolution of active galactic nuclei in clusters of galaxies from the Dark Energy Survey |
title_fullStr |
The evolution of active galactic nuclei in clusters of galaxies from the Dark Energy Survey |
title_full_unstemmed |
The evolution of active galactic nuclei in clusters of galaxies from the Dark Energy Survey |
title_sort |
evolution of active galactic nuclei in clusters of galaxies from the dark energy survey |
publisher |
OXFORD UNIV PRESS |
publishDate |
2017 |
url |
http://hdl.handle.net/10150/623206 http://arizona.openrepository.com/arizona/handle/10150/623206 |
work_keys_str_mv |
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